Home / 39,786,872-59,680,308.12-12,860,528

Finding the Fourth Proportional to 39,786,872, 59,680,308.12 and 12,860,528

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Solution

The fourth proportional to 39,786,872, 59,680,308.12 and 12,860,528 is: 19,290,792.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,786,872 : 59,680,308.12 = 12,860,528 : x
  2. Step 2: Convert to fraction form
    39,786,872/59,680,308.12 = 12,860,528/x
  3. Step 3: Cross multiply
    39,786,872x = 59,680,308.12 × 12,860,528
  4. Step 4: Simplify right side
    39,786,872x = 767,520,273,625,887.38
  5. Step 5: Solve for x
    x = 767,520,273,625,887.38/39,786,872
  6. Step 6: Final answer
    x = 19,290,792.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.